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Finding the Fourth Proportional to 266,425.95, 367,663.46 and 145,564.63

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Solution

The fourth proportional to 266,425.95, 367,663.46 and 145,564.63 is: 200,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,425.95 : 367,663.46 = 145,564.63 : x
  2. Step 2: Convert to fraction form
    266,425.95/367,663.46 = 145,564.63/x
  3. Step 3: Cross multiply
    266,425.95x = 367,663.46 × 145,564.63
  4. Step 4: Simplify right side
    266,425.95x = 53,518,794,791.60
  5. Step 5: Solve for x
    x = 53,518,794,791.60/266,425.95
  6. Step 6: Final answer
    x = 200,876.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.